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ECHO Development Notes (EDN)

At the center of our work is ECHO Development Notes (EDN), which we send quarterly to thousands of people in over 160 countries in three languages (English, French, and Spanish). In EDN we share the most helpful, practical information that we come across about growing food under difficult circumstances. 

Within each issue you'll find featured techniques, practices, information and experience to help guide your work in tropical and subtropical agricultural development. Also in EDN are "Echoes from Our Network," "From ECHO's Seed Bank," and more. Issues #1-51 were compiled in the 1990s into the Amaranth to Zai Holes book, which  or you may read it online here. Also, Agricultural Options for Small Scale Farmers, expanded on the foundation from Amaranth to Zai Holes by covering EDN 52 through 100, with articles from outside contributors. Agricultural Options for Small Scale Farmers is available for purchase from the ECHO Bookstore and Amazon.

If you would like to browse EDNs via our Index, please click here.

176 Issues in this Publication (Showing issues 77 - 68) |

EDN Issue #77 - 01-10-2002

Partial Control of Bacterial Wilt of Tomato with Chinese Chives

The Green Famine

The Value of Weeds in a Corn Field

Protecting Maize with “Weeds”; The Sustainable Village

SRI Update

Sesbania rostrata update

Papaya Leaf Tea as a Malaria Prophylactic?

EDN Issue #76 - 20-07-2002

Basics of Ruminant Digestion

The Livestock Revolution

EDN Issue #75 - 20-04-2002

Methods of Nematode Management

Sesbania rostrata: A Green Manure Production System for Rice

 

EDN Issue #74 - 20-01-2002

Nutrient Quantity or Nutrient Access? A New Understanding of How to Maintain Soil Fertility in the Tropics

‘Uberlandia’ Carrot 

EDN Issue #73 - 20-10-2001

Control of Mites in Honey Bees

An Improved Method for Ripening Mangoes

Eating Green Leaves

Cranberry Hibiscus

Rice Genome Mapped

Drying Green Leaves in the Sun

EDN Issue #72 - 20-07-2001

Red Palm Oil: More Than Just a Good Source of Vitamin A

Colloidal Silver for Clay Water Filters

ECHOES FROM OUR NETWORK

EDN Issue #71 - 20-04-2001

Enthusiasm for SRI (System of Rice Intensification)

The Effect of Aluminum in Acidic Soils on Plant Growth

Questions for ECHO? Read This First!

Moringa stenopetala, Pigeon Pea, Soybean, African Okra

EDN Issue #70 - 20-01-2001

SRI, the System of Rice Intensification: Less Can Be More 

EDN Issue #69 - 20-09-2000

Now That I’m Here, How Do I Begin?

When Young Children Must Take Chloroquine

Smoked Rice Hulls as Planting Medium for Seedlin

Cow Milk to Control Powdery Mildewgs

EDN Issue #68 - 20-06-2000

New Uses of Moringa Studied in Nicaragu

Producing Onion Powder for Sale and to Extend the Season

Germinating Oil Palm Seed

Prevention of Malaria with Insecticide-Treated Nets